Excellent product and also is a good enough amount to work for a good period of time

Excellent product and also is a good enough amount to work for a good period of time  Read Less

Good refill been using thes drops to check water ph instead of ph pen its reliable and i trust it

Good refill been using thes drops to check water ph instead of ph pen its reliable and i trust it  Read Less

I use a 5 ml pipette and fill it full of water and then suck a small amount of this testing solution into the pipette and then shake.

I use a 5 ml pipette and fill it full of water and then suck a small amount of this testing solution into the pipette and then shake.  Read Less

Test is not affected by water volume , it just gets dimmer as you dilute, but always the same color.

Test is not affected by water volume , it just gets dimmer as you dilute, but always the same color.  Read Less

Great price for the amount you get.

Great price for the amount you get.  Read Less

Great value for a must have product!

Great value for a must have product!  Read Less

This is over 230ml for under $13.

This is over 230ml for under $13.  Read Less

You can spend $75+ on a decent pen you have to keep calibrated which means calibration solution and blah blah blah, i don't see...  Read More

You can spend $75+ on a decent pen you have to keep calibrated which means calibration solution and blah blah blah, i don't see the point really, or buy this stuff.  Read Less

I'd just go ahead and order the kit, but this took a few weeks in shipping(no fault to the postal service; it's just the times ...  Read More

I'd just go ahead and order the kit, but this took a few weeks in shipping(no fault to the postal service; it's just the times we're living in right now.  Read Less

Received in excellent condition i use it for testing ph balance in the water for hydroponics

Received in excellent condition i use it for testing ph balance in the water for hydroponics  Read Less

Arrived early and seal was intact no leaks great product

Arrived early and seal was intact no leaks great product  Read Less

Much better deal than buying the 1oz bottle that comes with the test kit.

Much better deal than buying the 1oz bottle that comes with the test kit.  Read Less

Another brand i tried was harder to judge on the color scale.

Another brand i tried was harder to judge on the color scale.  Read Less